September 1939

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Features

With in the Housing of a Giant Atom Smasher

Eyes that See Through Atoms

The Spectroscope, Long a Master Key in Science, is Proving to be of Major Practical Importance In a Wide Variety of Arts and Industries

By George Russell Harrison

Five Companies Present Safety

Superior Safety Glass, Four Times Safety Factor, Five Times Elasticity of Old Product

Camera Angles Round Table, September 1939

Telescoptics, September 1939

Current Bulletin Briefs, September 1939

Legal High-Lights, September 1939

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Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

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